Geometry 1-8 Guided Practice: Perimeter, Circumference, and Area

By Matt Richardson
Last updated almost 3 years ago
26 Questions

Video Check: Select all that apply with regards to the video embedded directly above this item.

Solve It!
You and your friend have two choices for wall decorations. You say the decoration on the top will use more wall space. Your friend says the two decorations will use the same amount of wall space.

Who is correct? Explain.
You may use the canvas to help illustrate your written response.

Video Check: Select all that apply with regards to the video embedded directly above this item.

Take Note: Match each formula with the measurement it is used to find.

You may need to zoom out to see all of the items. You can also match each item from the left column by selecting it (clicking it) then selecting (clicking on) its match on the right.

P=2b+2h, or 2(b+h)
perimeter of a square
P=a+b+c
area of a triangle
C=\pi d, or C=2\pi r
perimeter of a rectangle
A=s^2
area of a circle
A=\pi r^2
circumference of a circle
A=\frac{1}{2}bh
area of a square
A=bh
perimeter of a triangle
P=4s
area of a rectangle

Problem 1 Got It?

Problem 1 Got It?

Video Check: Select all that apply with regards to the video embedded directly above this item.

Take Note: How do you name a circle? Also, draw the circle symbol on the canvas.

Take Note: Which of the following are accurate statements about pi? Select all that apply.

Problem 2 Got It?

Problem 2 Got It?

Video Check: Select all that apply with regards to the video embedded directly above this item.

Take Note: Summarize the process of finding the perimeter of a polygon in the coordinate plane by using the coordinates of its vertices. You may use the canvas to help illustrate your description.

Problem 3 Got It? Part 1: Graph quadrilateral JKLM with vertices
Be sure to include relevant graph detail: label axes and indicate units on both axes.

Problem 3 Got It? Part 2:

What is the perimeter of quadrilateral JKLM, from the previous item? Enter only a number.

Video Check: Select all that apply with regards to the video embedded directly above this item.

Problem 4 Got It? You are designing a poster that will be 3 yd wide and 8 ft high.
How many square feet of paper do you need to make this poster?

Take Note: Summarize the process of finding the Area of a circle from its diameter. You may use the canvas to help illustrate your written response.

Problem 5 Got It? The diameter of a circle is 14 ft.
What is the area of the circle in terms of π?

Problem 5 Got It? The diameter of a circle is 14 ft.
What is the area of the circle using 3.14 as an approximation of π?
Enter only a number.

Problem 5 Got It? Reasoning: What is a commonly-used rational approximation of π?

Video Check: Select all that apply with regards to the video embedded directly above this item.

Take Note: Summarize the Area Addition Postulate and describe how it can be used when finding the area of irregular shapes. You may use the show your work canvas to help illustrate your written response.

Problem 6 Got It? What is another way to separate the figure in Problem 6? Mark the figure on the canvas to demonstrate your alternate technique. Label all pertinent information.

Problem 6 Got It? What is the area of the figure?
1. Show how you separate the figure on the canvas.
2. Write the area of the figure in the response field. Enter only a number to represent the area in square feet.

🧠 Retrieval Practice:
Summarize the mathematical content of this lesson. What topics, ideas, and vocabulary were introduced?